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  2. Multiplication table - Wikipedia

    en.wikipedia.org/wiki/Multiplication_table

    In mathematics, a multiplication table (sometimes, less formally, a times table) is a mathematical table used to define a multiplication operation for an algebraic system. The decimal multiplication table was traditionally taught as an essential part of elementary arithmetic around the world, as it lays the foundation for arithmetic operations ...

  3. Zerah Colburn (mental calculator) - Wikipedia

    en.wikipedia.org/wiki/Zerah_Colburn_(mental...

    However, after six weeks of schooling, his father overheard him repeating his multiplication tables. His father was not sure whether or not he learned the tables from his older brothers and sisters, but he decided to test him further on his mathematical abilities and discovered that there was something special about his son when Zerah correctly ...

  4. Napier's bones - Wikipedia

    en.wikipedia.org/wiki/Napier's_bones

    Napier's bones for 4, 2, and 5 are placed into the board, in sequence. These bones show the larger figure which will be multiplied. These bones show the larger figure which will be multiplied. The numbers lower in each column, or bone, are the digits found by ordinary multiplication tables for the corresponding integer, positioned above and ...

  5. The History of Mathematical Tables - Wikipedia

    en.wikipedia.org/wiki/The_History_of...

    The History of Mathematical Tables: from Sumer to Spreadsheets is an edited volume in the history of mathematics on mathematical tables.It was edited by Martin Campbell-Kelly, Mary Croarken, Raymond Flood, and Eleanor Robson, developed out of the presentations at a conference on the subject organised in 2001 by the British Society for the History of Mathematics, [1] [2] and published in 2003 ...

  6. Yupana - Wikipedia

    en.wikipedia.org/wiki/Yupana

    A rectangular table (33x27 cm; 13" x 10¾") of wood consisting of 17 compartments, 14 of which are square, 2 are rectangular, and one of which is octagonal. Two edges of the table contain other square compartments (12x12 cm; 4¾" x 4¾") raised and arranged side by side, upon which two square platforms (7x7 cm; 2¾" x 2¾"), are superimposed.

  7. Go and mathematics - Wikipedia

    en.wikipedia.org/wiki/Go_and_mathematics

    The total number of possible games can be estimated from the board size in a number of ways, some more rigorous than others. The simplest, a permutation of the board size, (N) L, fails to include illegal captures and positions. Taking N as the board size (19 × 19 = 361) and L as the longest game, N L forms an upper limit. A more accurate limit ...

  8. Ancient board game — dating back over 3,000 years ... - AOL

    www.aol.com/ancient-board-game-dating-back...

    Ancient board game — dating back over 3,000 years — discovered in Spain. Take a look. Brendan Rascius. March 6, 2024 at 6:28 PM.

  9. New Math - Wikipedia

    en.wikipedia.org/wiki/New_Math

    As a result of this controversy, and despite the ongoing influence of the New Math, the phrase "new math" was often used to describe any short-lived fad that quickly becomes discredited [citation needed] until around the turn of the millennium [7] [better source needed]. In 1999, Time placed it on a list of the 100 worst ideas of the 20th century.

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